Lightning strikes in Iowa by county

The detection network has located 191,788 lightning strikes in Iowa since the archive began, including 126,704 in the last 7 days. The table counts every strike the network placed inside a county boundary.

#CountyStrikesLast 7 daysShare
1Pottawattamie County10,7125,3165.6%
2Cass County6,4223,4613.3%
3Adair County6,3884,2963.3%
4Montgomery County6,2889853.3%
5Madison County5,5034,0792.9%
6Warren County4,8674,0802.5%
7Adams County4,7877782.5%
8Louisa County3,9863,9562.1%
9Mills County3,8917322.0%
10Mahaska County3,8213,3862.0%
11Keokuk County3,6733,5311.9%
12Union County3,3284181.7%
13Boone County3,3052,7861.7%
14Guthrie County3,2772,8051.7%
15Marion County3,2212,5501.7%
16Dallas County3,1502,4031.6%
17Harrison County3,0152,8351.6%
18Shelby County3,0102,4251.6%
19Wayne County3,0083271.6%
20Des Moines County2,9812,9131.6%
21Decatur County2,8652071.5%
22Washington County2,8402,8081.5%
23Van Buren County2,8271,4901.5%
24Clarke County2,7225121.4%
25Polk County2,6661,8171.4%
26Jasper County2,5071,5491.3%
27Jefferson County2,4652,3151.3%
28Ringgold County2,3952901.2%
29Crawford County2,3122,2921.2%
30Audubon County2,2511,9051.2%
31Greene County2,2441,4621.2%
32Johnson County2,1732,0551.1%
33Kossuth County2,1311,8241.1%
34Monona County2,1261,9861.1%
35Monroe County2,0501,4721.1%
36Iowa County2,0181,7371.1%
37Wapello County1,9961,4431.0%
38Muscatine County1,9841,8721.0%
39Webster County1,8721,6781.0%
40Henry County1,8281,6901.0%
41Lucas County1,7608070.9%
42Taylor County1,7457480.9%
43Jackson County1,7361,6120.9%
44Lee County1,6851,4950.9%
45Carroll County1,6781,4000.9%
46Story County1,6461,4210.9%
47Appanoose County1,6316310.9%
48Pocahontas County1,5651,4420.8%
49Wright County1,5241,5140.8%
50Cedar County1,4621,3570.8%
51Benton County1,4141,2210.7%
52Clinton County1,4001,3710.7%
53Sioux County1,3954610.7%
54Woodbury County1,3501,1960.7%
55Hamilton County1,3441,1330.7%
56Hardin County1,3381,0520.7%
57Emmet County1,2831,1330.7%
58Fremont County1,2234120.6%
59Tama County1,1981,0520.6%
60Jones County1,1216990.6%
61Calhoun County1,1189480.6%
62Cherokee County1,0888020.6%
63Davis County1,0855710.6%
64Page County1,0755250.6%
65Poweshiek County1,0486640.5%
66Bremer County1,0242810.5%
67Buena Vista County1,0018090.5%
68Delaware County9694620.5%
69Dickinson County9696430.5%
70Sac County9348740.5%
71Humboldt County8998770.5%
72Scott County8728620.5%
73Buchanan County8693060.5%
74Black Hawk County8103370.4%
75Linn County7964240.4%
76Marshall County7936960.4%
77Franklin County7887200.4%
78Butler County7875710.4%
79Plymouth County7664760.4%
80Fayette County7613390.4%
81Clay County7414460.4%
82Hancock County7246110.4%
83Grundy County7194700.4%
84Palo Alto County6645440.3%
85Ida County6565350.3%
86Winnebago County6153840.3%
87Floyd County6105810.3%
88O'Brien County5641410.3%
89Cerro Gordo County5364700.3%
90Lyon County521300.3%
91Osceola County51870.3%
92Dubuque County3452310.2%
93Worth County3322490.2%
94Winneshiek County2912550.2%
95Clayton County2721830.1%
96Chickasaw County2622240.1%
97Allamakee County2272150.1%
98Howard County1791740.1%
99Mitchell County1571440.1%

Strike positions carry the network's mean location error of about 5.6 km, so strikes near a county line can be filed one county over. Method and caveats are on the data hub; the full state table is on the United States page.

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